Improvement in blind-wiring machine



- a simple one, is attendant with diliicnlti'eswhich it has C9 y atei.WILLIAM FOSTERDODGE, oF NEW-ARK, NEW JERSEY.

Letters Patent No. 88,145, dated March 23, 1869.

The Schedule referredto in these Letters Patent and making part of thelame.

To all whom, it may concern:

Be 'it known that I,W1LL1AM FOSTER DODGE, of Newark, in the county ofEssex, and State of New Jersey, have invented a newand usefulImprovement in Blind-Wiring or Staple-Driving Machines, of which thefollowing is a full, clear, and exact description, reference being hadto the accompanying drawing, forming part of this specification, and inwhich- Figure l represents a side elevation of a blind-wiring machine,having my improvement applied to it;

Figure 2, a sectional elevation, taken mainly as indicated by the line xx in iig. 1 and Figure 3, a horizontal section of a portion of themachine, taken as denoted by the line z a in fig. 1.

Similar letters of reference indicate corresponding parts.

In machines for driving the staples into blind-slats and rods, or otherwork, the operation of delivering the staples, one by one, from themachine, though apparently been the object of various specialconstructions to avoid. Thus, springs or elastic fingers have been used,to hold each staple in succession, as it is fed from the rack, orconductor, to secure the proper action of the driver upon it; also ayielding mouth, for the same purpose, formed by giving to the rack, orto an additional piece arranged between the forward end of the rack andthe main plate, an elastic character or action, superinduced by themotion of the driver as it plays between said main plate andyieldingrack, or separateface-piece thereto.

My invention differs from all such constructions, by the employment,incombination with a fixed rack, or conductor, o f a yieldingstaple-guide, arranged to rock, or play intermediately of its depth orlength, and so that the driver, in forcing home the staple, playsbetween said guide and the forward end, or face of the rack, incontradistinction to between the main plate and front end of the rack.This construction relieves the rack from much strain and wear, andpossesses several advantages, including, by reason of the rocking actionof the guide, an easy slipor delivery for the staple, without, however,the possibility of it falling through in advance of the driver.

Referring to the accompanying drawing, in which many parts are showncommon to other blind-wiring machines A is the standard, designed to beattached to a bedframe of wood, and

B, the main plate, connected in an adjustable manner therewith, to suitdifferent widths of slats and rods.

C is the sloping rack, or conductor, on whichthe wires or staples arestraddled, and down which they slide in the operation of the machine.This rack is here made aiixture to the main plate B, and projects, atits forward end, through said plate.'

vis directed by the driver.

D is the lever, which serves to operate the vertically-slidingstaple-driver E, and which lever may also be used to actnate thework-feeding devices, where.

the work, or work and its carrier, as in the case of blind-rods, requireto be fed intermittently below the angc, or action of the driver, when aspring-borne eccentric, or cam a, may be employed to hold the carrierand rod properly in position, but such feeding and holding-devices tothe work form no part of my present improvement, and may be variouslyconstructed and operated.

On the oppositevside of the main plate B, to which is located the rackC, and directlyA facing the forward end of said rack, is arranged," inclose proximity to it, a guide, F, preferably madeofsteel, and so bornelor held at its back, by a spring, as to admit of its slightly rook-.-

ing, or vibrating vertically in such manner as that, on

the upper end of the-guide being drawn or forced away from the front endof the rack, the lower end of said guide is operated in a reversedirection relatively to said rack. This is preferably1 accomplished bymeans of a semi-elliptical spring, b, acting at its ends against theback of the guide, and attached to or bearing at its v centre against astrap, c, fastened by screws to the main plate B. y

From this descriptionv it will be seen that while only one staple at atime can by any possibility pass between the rack Gand guide F, thedriver E, in its descent, y

strikes fair on the loop-end of the staple, without cut ting orstraining on the upper edge of the rack, and that, on said driver,entering between the guide F and front of the rack C, to facilitatewhich, the adjacent faces of such parts are bevelled away at top, theguide Fis rocked, or vibrated under an elastic pressure, or resistance,in such manner as to facilitate the descent of the staple, but not sothat it can drop or run away from the driver, by reason of theclosing-action, or motion given to the guide at its bottom-end, Whileits upper portion is being opened or forced away by the driver andstaple, as illustrated in iig. 2. This prevents irregular dropping ofthe staple, and insures the driver closely following it, sothat itsproper entry in the wood` Of course, as the staple and driver pass downto an below the centre of oscillation of the guide, the latter opensbelow, but this is not until the driver has got a fair hold, as it were,on the staple, and followed it up, to make the action apositive one'.The importance of this will readily be seen when vit is considered thatthe guiding-surfaces, in course of time, become cut and worn by thestaples.

Furthermore, in case of any fouling or excessive wear, the same wouldgenerally be remedied by mere .removal of the guide F, and, ifnecessary, substitution of another, without displacement of the rackhaving the staples strung on it.-

If requiring, however, to redress the front end of the rack, the samemay be done, and, by slightly ly ing away, on its inner face, theprojection ivhich holds F1iction,too, ofthe staple in pzrssingsdiminished,

and there is no risk of the staples sticking in being delivered, eventhough the legs be of unequal lengthwor crooked.

sena 2 W'hat'is here claimed Letters Patent, is Y l The yielding guideF, supported by the spring b, on in central hearing, c, so as to have a.rocking or vibra,-

, and desired to be secured by stantially as shown and described, as animprovement on the patent of T. R. Crosby, dated, December 13, 1859.

WM. FUSTER DODGE.

Witnesses FRED. HAYNS, Alumnus.

ting motion, in combination with the lixed rack C, sub-

